Rivière de l'Anse Muddy is a River located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec.

• Latitude: 50° 11' 33'' North   (decimal: 50.1925701)
• Longitude: 61° 17' 45'' West   (decimal: -61.2959053)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• Atlas of Canada Locator Map: Rivière de l'Anse Muddy
• GPS Coordinate Locator Map: Rivière de l'Anse Muddy Lat/Long